Home / 972,495,640.13-1,342,043,699.09-526,458,672.45

Finding the Fourth Proportional to 972,495,640.13, 1,342,043,699.09 and 526,458,672.45

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Solution

The fourth proportional to 972,495,640.13, 1,342,043,699.09 and 526,458,672.45 is: 726,512,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,495,640.13 : 1,342,043,699.09 = 526,458,672.45 : x
  2. Step 2: Convert to fraction form
    972,495,640.13/1,342,043,699.09 = 526,458,672.45/x
  3. Step 3: Cross multiply
    972,495,640.13x = 1,342,043,699.09 × 526,458,672.45
  4. Step 4: Simplify right side
    972,495,640.13x = 706,530,544,190,176,384
  5. Step 5: Solve for x
    x = 706,530,544,190,176,384/972,495,640.13
  6. Step 6: Final answer
    x = 726,512,814.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.